Unit Plan
Sophia Learning

Sophia: Using Determinants to Classify 3x3 Matrices: Lesson 3

For Students 9th - 10th Standards
This lesson demonstrates how the determinant of a 3x3 matrix can be used to tell whether or not the matrix represents a dependent linear system, an inconsistent linear system, or neither.
PPT
Sophia Learning

Sophia: Using Determinants to Classify 2x2 Matrices: Lesson 2

For Students 9th - 10th Standards
This lesson demonstrates how the determinant of a 2x2 matrix can be used to tell whether or not the matrix represents a dependent linear system, an inconsistent linear system, or neither.